Home / 518,072.13-777,152.20-144,095.13

Finding the Fourth Proportional to 518,072.13, 777,152.20 and 144,095.13

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Solution

The fourth proportional to 518,072.13, 777,152.20 and 144,095.13 is: 216,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,072.13 : 777,152.20 = 144,095.13 : x
  2. Step 2: Convert to fraction form
    518,072.13/777,152.20 = 144,095.13/x
  3. Step 3: Cross multiply
    518,072.13x = 777,152.20 × 144,095.13
  4. Step 4: Simplify right side
    518,072.13x = 111,983,847,288.79
  5. Step 5: Solve for x
    x = 111,983,847,288.79/518,072.13
  6. Step 6: Final answer
    x = 216,154.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.